Your LEED certification toolkit and expert forum

LEEDuser helps you successfully complete your LEED project certification with tips, checklists, sample documentation, forums, and more.

Looking for help on a specific LEED credit? Browse for it here, or review all of the credits and prerequisites in these LEED rating systems:

  • LEED-NC: New Construction v2.2,
  • LEED-NC: New Construction v2009,
  • LEED-CS: Core and Shell v2009,
  • LEED-CI: Commercial Interiors v2009,
  • LEED-Schools v2009,
  • LEED-EBOM: Existing Buildings Operation and Maintenance v2009.
  • See all LEED version 4 (LEED v4) rating systems.
  • See all versions of all LEED rating systems.
  • Discussion Forum

    There are discussions happening on pages across this site, right in the thick of our content. If you don't find your topic, you can start your own discussion.

    Title Comments Most Recent Post Location
    Chiller Efficiency: With Errata?
    in NC 2009 EAp2: Minimum Energy Performance
    2,388 Johannes Hopf
    Wed, Oct 1, 2014
    LED lamps
    in EBOM-v4: Purchasing - lamps
    2 Karim Farah
    Sustainability Manager / USGBC Faculty
    Dar Al-Handasah
    Tue, Sep 30, 2014
    Saudi Arabia
    Tenant spaces
    in CS 2009 EAp2: Minimum Energy Performance
    841 PAWAN DAHIWAL
    Tue, Sep 30, 2014
    Testing Approach
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 J.R. Anderson
    Principal
    Anderson Engineering
    Tue, Sep 30, 2014
    Lessons learned
    in LEED for Healthcare: Lessons Learned
    4 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Tue, Sep 30, 2014
    Hospital water use?
    in NC 2009 WEc3: Water Use Reduction
    108 Tommy Linstroth
    Principal
    Trident Sustainability Group
    Tue, Sep 30, 2014
    RE: Floorscore
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    316 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 30, 2014
    Building Components
    in NC 2009 MRc2: Construction Waste Management
    334 Keith Lindemulder
    Environmental Business Development- LEED AP BD&C
    Nucor
    Tue, Sep 30, 2014
    RE: Speciality
    in EBOM-v4: LEED Accredited Professional
    8 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Sep 29, 2014
    EP - Option 3
    in EBOM-v4: Heat island reduction
    4 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Mon, Sep 29, 2014
    IEQp1 in international settings
    in NC-2009 IEQp1: Minimum IAQ Performance
    782 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Sep 29, 2014
    AC Duct Adhesive
    in NC 2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
    388 Neeraj Kapoor
    Mon, Sep 29, 2014
    Projects with Several Physically Distinct Structures
    in NC-v4: Must comply with project size requirements
    2 Inés Alomar
    Mon, Sep 29, 2014
    Inquiry about the meaning of exterior entrances
    in ND-v2009: Mixed-use neighborhood centers
    11 Shahram Khaksarian
    Sun, Sep 28, 2014
    Cheaper to re-write the exam
    in NC 2009 IDc2: LEED Accredited Professional
    45 Jean Marais
    b.i.g. Bechtold DesignBuilder Expert
    Sun, Sep 28, 2014
    Title Comments Most Recent Post Location
    RE: Epoxcy Flooring
    in NC v2.2 EQc4.2: Low-Emitting Materials—Paints and Coatings
    90 Dwayne Fuhlhage
    Sustainability and Environment Director
    PROSOCO, Inc.
    Sun, Aug 31, 2014
    Version of GS-11
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    449 Janika McFeely
    Associate, Sustainability Specialist
    EHDD Architecture
    Sun, Aug 31, 2014
    Maintenance Facilities excluded?
    in NC v2.2 EQc5: Indoor Chemical and Pollutant Source Control
    92 Jerry Yudelson
    Sat, Aug 30, 2014
    Rain fall event interval
    in EBOM 2009 SSc6: Stormwater Quantity Control
    61 RASHID HAMEEN
    Fri, Aug 29, 2014
    Plf3 Actual / Estimated Occupants
    in PIf3: Occupant and Usage Data
    3 Emmanuel Gee
    Project Architect
    Buell Kratzer Powell
    Thu, Aug 28, 2014
    RE: There are one big
    in CS-2009 IEQp1: Minimum IAQ Performance
    129 Armen Khachikyan
    Thu, Aug 28, 2014
    CO2 sensors in non-densely occupied spaces
    in CS 2009 IEQc1: Outdoor Air Delivery Monitoring
    55 Omar Katanani
    Thu, Aug 28, 2014
    IEQc1
    in NC 2009 IEQc1: Outdoor Air Delivery Monitoring
    240 Gunnar Hubbard, AIA, LEED Fellow
    Principal
    Thornton Tomasetti
    Thu, Aug 28, 2014
    Views for tennacies in CS
    in CS 2009 IEQc8.2: Daylight and Views—Views
    54 Ricardo Sobral
    Technical Services Director
    Lend Lease (AR) S.A.
    Thu, Aug 28, 2014
    Sound Transmission
    in NC-v4: Acoustic performance
    1 Mark Zoeteman
    Sr. Mech Engr
    FTC&H, Inc.
    Thu, Aug 28, 2014
    No Cooling & Free Cooling
    in NC 2009 IEQc7.1: Thermal Comfort—Design
    194 Habitech Distretto Tecnologico Trentino
    LEED Services in Europe - Founding Member of GBC Italia
    Habitech-Distretto Tecnologico Trentino
    Thu, Aug 28, 2014
    high rise residential building collect of recyclables
    in NC 2009 MRp1: Storage and Collection of Recyclables
    64 Tarek Dalati
    Sustainbility manager
    CRHI
    Thu, Aug 28, 2014
    international projects update
    in Homes-v4: Must be in a permanent location on existing land
    1 Pablo Fortunato Suarez
    Principal ESD Consultant/Architect
    GreenArc Sustainable Building & Architecture
    Wed, Aug 27, 2014
    Basic Services
    in Healthcare-v2009: Development density and community connectivity
    4 Craig Pryde
    Principal
    ppk architects
    Wed, Aug 27, 2014
    2003 or 2008 CGP (Construction General Permit)?
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    207 Claudia Rieger
    Tue, Aug 26, 2014
    DEMAND RESPONSE energy modeling
    in NC-v4: Optimize energy performance
    4 Habitech Distretto Tecnologico Trentino
    LEED Services in Europe - Founding Member of GBC Italia
    Habitech-Distretto Tecnologico Trentino
    Tue, Aug 26, 2014
    IEQ and related products
    in CI-2009 IEQp1: Minimum IAQ Performance
    131 Jill Sokol
    RCAD
    Tue, Aug 26, 2014
    SRI value for concrete
    in NC-v4: Heat island reduction
    1 LEED Consultant
    Green Building and Alternative Energy
    Tue, Aug 26, 2014
    Houseplants and fresh air
    in CI 2009 IDc1: Innovation in Design
    139 Wagner Oliveira
    CTE
    Tue, Aug 26, 2014
    Concrete Sealer
    in NC 2009 MRc5: Regional Materials
    254 Adolfo Silva
    Principal
    Ecovert Corporation
    Mon, Aug 25, 2014
    Title Comments Most Recent Post Location
    Belarus - by LEEDUser Team
    Thu, Sep 18, 2014
    Bulgaria - by LEEDUser Team
    Thu, Sep 18, 2014
    Czech Republic - by LEEDUser Team
    Thu, Sep 18, 2014
    Tuvalu - by LEEDUser Team
    Thu, Sep 18, 2014
    Vanuatu - by LEEDUser Team
    Thu, Sep 18, 2014
    Central Asia - by LEEDUser Team
    Thu, Sep 18, 2014
    Armenia - by LEEDUser Team
    Thu, Sep 18, 2014
    Azerbaijan - by LEEDUser Team
    Thu, Sep 18, 2014
    Georgia - by LEEDUser Team
    Thu, Sep 18, 2014
    Tonga - by LEEDUser Team
    Thu, Sep 18, 2014
    Marshall Islands - by LEEDUser Team
    Thu, Sep 18, 2014
    Micronesia - by LEEDUser Team
    Thu, Sep 18, 2014
    Nauru - by LEEDUser Team
    Thu, Sep 18, 2014
    New Zealand - by LEEDUser Team
    Thu, Sep 18, 2014
    Palau - by LEEDUser Team
    Thu, Sep 18, 2014
    Papua New Guinea - by LEEDUser Team
    Thu, Sep 18, 2014
    Samoa - by LEEDUser Team
    Thu, Sep 18, 2014
    Solomon Islands - by LEEDUser Team
    Thu, Sep 18, 2014
    Tunisia - by LEEDUser Team
    Thu, Sep 18, 2014
    Uganda - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Comments Most Recent Post Location
    Reporting and metering frequency
    in NC-v4: Water metering
    1 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Fri, Aug 15, 2014
    Certified IPM Service
    in EBOM-v4: Integrated pest management
    1 LEED Consultant
    Green Building and Alternative Energy
    Fri, Aug 15, 2014
    Option 2 - one time fee or annually
    in NC-v4: Site development - protect or restore habitat
    1 Lorne Mlotek
    LEED AP BD+C
    LeadingGREEN
    Thu, Aug 14, 2014
    Bamboo flooring materials
    in NC 2009 MRc6: Rapidly Renewable Materials
    49 Lilian Seow
    LEED Manager
    Vancouver, BC Canada
    Thu, Aug 14, 2014
    Industrial Condominium Certification
    in New LEED Guidance for Campuses and Multiple Buildings
    496 Tamara Quiroz
    Architect
    Efizity
    Thu, Aug 14, 2014
    Pursuing option 2, path 2
    in CS 2009 WEc1: Water Efficient Landscaping
    57 Andrey Kuznetsov
    Green Building and Sustainability Consultant (LEED AP BD+C)
    Signy Group
    Thu, Aug 14, 2014
    Confused about Perf periods and 2-yr contract for offsite REC's
    in EBOM 2009 EAc4: On-Site and Off-Site Renewable Energy
    91 Wendy Parker, LEED AP
    Manager of Safety & Environmental
    MetroNational
    Thu, Aug 14, 2014
    ventilation through docks
    in NC-2009 IEQp1: Minimum IAQ Performance
    782 Alicja Bieszyńska
    Skanska
    Thu, Aug 14, 2014
    Horse Riding Arena
    in NC 2009 WEc3: Water Use Reduction
    108 Kavita Karmarkar
    Student
    Wed, Aug 13, 2014
    Stand Alone Refrigerators and Freezers to be included in EAc4?
    in NC 2009 EAc4: Enhanced Refrigerant Management
    102 Vivien Fairlamb
    Wed, Aug 13, 2014
    Open Grid Pavement
    in NC 2009 SSc5.2: Site Development—Maximize Open Space
    166 Alexia Anastassiadis
    Wed, Aug 13, 2014
    NC vs Core & Shell for Mixed Use Building
    in LEED Rating System Selection Q&A
    611 Mike Stopka
    Director of Sustainability
    Solomon Cordwell Buenz
    Tue, Aug 12, 2014
    A tower, podium and shared parking on the same site, LEED NC2009
    in MPR3: Must use a reasonable site boundary
    199 Mais B
    Tue, Aug 12, 2014
    Please help-your perspective appreciated on transit
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    203 Brian Muldoon
    Planning Specialist
    Howard County MD Government
    Tue, Aug 12, 2014
    LEED NC 2009 for factory building
    in NC 2009 EAp2: Minimum Energy Performance
    2,388 Rathnashree Bharadwaj
    Tue, Aug 12, 2014
    Commercial Kitchen
    in EBOM 2009 MRc2: Sustainable Purchasing—Durable Goods
    80 Nate Gillette
    Director
    Natura Architectural Consulting LLC
    Sat, Aug 9, 2014
    Required Vegetated Area and LEED Boundary Calculations
    in MPR3: Must use a reasonable site boundary
    199 CT G
    Fri, Aug 8, 2014
    LEED Project Boundary - Football Stadium
    in MPR3: Must use a reasonable site boundary
    199 Lisa Vandevoort
    Business Manager
    Architecture Incorporated
    Fri, Aug 8, 2014
    IAQ Flush out-using temporary exhaust systems
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 Stella Stella
    Fri, Aug 8, 2014
    Split Systems & Re-Testing
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 Donald Green
    Project Manager
    Sustainable Design Consulting, LLC
    Thu, Aug 7, 2014
    Title Comments Post date Most Recent Postsort icon Location
    Credit 3.2 option 2
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    251 Michael Schrantz
    Environmental Analytics
    Tue, Sep 30, 2014
    2014-09-30 13:57 United States
    Glazing specifications for existing building
    in CS 2009 EAp2: Minimum Energy Performance
    841 João Costa
    Engineer
    ETRIA
    Tue, Sep 30, 2014
    2014-09-30 11:01 Brazil
    LED lamps
    in EBOM-v4: Purchasing - lamps
    2 Karim Farah
    Sustainability Manager / USGBC Faculty
    Dar Al-Handasah
    Tue, Sep 30, 2014
    2014-09-30 09:18 Saudi Arabia
    Modeling Heat Reclaim in EAp2 v2009
    in NC 2009 EAp2: Minimum Energy Performance
    2,388 Mario S.
    Tue, Sep 30, 2014
    2014-09-30 02:17 Lebanon
    Fire Department Practice Burn
    in NC 2009 MRc2: Construction Waste Management
    334 Brian Leet
    Freeman French Freeman
    Mon, Sep 29, 2014
    2014-09-29 16:43 United States
    Site lighting calculations
    in CS 2009 EAp2: Minimum Energy Performance
    841 charles bell
    principal
    theGreenTeam, Inc.
    Mon, Sep 29, 2014
    2014-09-29 09:33 United States
    FTEs and Total Daily Uses for Showers
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    214 Rodrigo Gomez Junco
    LEED AP BD+C
    SINERGI Integrated Building Sciences, LLC
    Fri, Sep 26, 2014
    2014-09-26 13:07 Mexico
    Help, my process energy is greater than 25%
    in Completing the LEED Online EAp2 Form – Option 1: Whole Building Energy Simulation
    47 Amy Harmon
    Fri, Sep 26, 2014
    2014-09-26 09:23 United States
    Typical TSS measures from Sedum roofing
    in NC 2009 SSc6.2: Stormwater Design—Quality Control
    164 Andreas Soederberg
    Fri, Sep 26, 2014
    2014-09-26 04:03 Sweden
    WEp1 and c1: Indoor Water Use Reduction
    in CI-v4: Indoor water use reduction
    2 BEE Bisagni Environmental Enterprise
    Thu, Sep 25, 2014
    2014-09-25 23:45 China
    SSc4.3 Option 2: How long must charge stations be installed ?
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    351 Kimberlyn Caoagas
    Thu, Sep 25, 2014
    2014-09-25 15:16 United States
    FTE Consistency Pertaining to IEQp1
    in NC-2009 IEQp1: Minimum IAQ Performance
    782 Spencer Eldredge
    Associate Engineer
    Weston Solutions, Inc.
    Thu, Sep 25, 2014
    2014-09-25 14:49 United States
    Mixed feelings about numbering
    in Poll – Should LEED v4 Credits Have Numbers?
    3 Andres Schwarz
    Principal
    NRG-AR
    Thu, Sep 25, 2014
    2014-09-25 14:36 Argentina
    Need for consistent numbering system across all rating systems
    in Poll – Should LEED v4 Credits Have Numbers?
    3 Lyle Axelarris
    Civil/Structural Engineer, LEED AP BD+C, O+M
    Design Alaska
    Thu, Sep 25, 2014
    2014-09-25 14:21 United States
    Line of Site into Multi-Story Dorm & Ceiling Mounted Glazing
    in NC 2009 SSc8: Light Pollution Reduction
    547 Sara Zoumbaris
    Thu, Sep 25, 2014
    2014-09-25 13:40 United States
    Required Manufacturer Documentation for Option 3
    in NC-v4: Building product disclosure and optimization - material ingredients
    7 Randy Van Straaten
    Thu, Sep 25, 2014
    2014-09-25 12:41 United States
    LPD in future spaces for Energy Model
    in LEED Minimum Program Requirements
    442 Catalina Caballero
    Sustainability Coordinator
    JALRW Eng. Group Inc.
    Thu, Sep 25, 2014
    2014-09-25 11:41 United States
    Short-term bicycle
    in NC-v4: Bicycle facilities
    6 Flavia Marques
    Ramboll
    Thu, Sep 25, 2014
    2014-09-25 10:39 Qatar
    Non-default shower use
    in CI 2009 WEp1: Water Use Reduction—20% Reduction
    214 Susannah Goddard
    Thu, Sep 25, 2014
    2014-09-25 04:22 United Kingdom
    Number of transients for FTE calculation
    in Calculating FTEs
    188 Sunanda Swain, LEED Green Associate, PQP
    Environment and Sustainability Consultant
    MAHY Khoory - Creative Solutions
    Thu, Sep 25, 2014
    2014-09-25 02:44 United Arab Emirates

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